InChI=1/C23H30N4O4/c1-16(2)21(26-22(29)19-9-6-14-31-19)23(30)25-18-10-12-27(13-11-18)15-20(28)24-17-7-4-3-5-8-17/h3-9,14,16,18,21H,10-13,15H2,1-2H3,(H,24,28)(H,25,30)(H,26,29)/p+1/t21-/m0/s1/fC23H31N4O4/h24-27H/q+1 A8F3F83B6899DA8B